What drive size does this extension bar have?

The extension features a 3/8" square drive on both sides: a female square for ratchets and a male square for sockets.

What is the total length of this extension bar?

This extension bar has an overall length of 250 mm.

Is this extension suitable for impact wrenches?

No, this extension is designed for hand-operated use and is not suitable for impact tools.

Is this tool non-sparking?

No, this tool is made of chrome-plated vanadium steel and is not non-sparking.

How are sockets held on the extension bar?

The male square drive features a ball locking device that securely holds sockets and accessories in place.

GEDORE 3090-10 extension piece 3/8" 250 mm - 6236870

Name: GEDORE 3090-10 extension piece 3/8" 250 mm - 6236870
Brand: GEDORE
SKU: 41891215
Price: 13.8 EUR
Availability: InStock

Supplier number: GEDORE 6236870 | EAN 4010886623688

Recommended Retail Price €27.44

13.80 tax incl.

€11.40 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 2 products in stock.

Ordered before 20:00 - delivered tomorrow 03/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

✆ Talk to a specialist

Extended reach with Gedore

Practical benefits

Access deep fasteners easily: A 250 mm total length allows you to work smoothly inside confined spaces and narrow enclosures.
Secure ball locking mechanism: The built-in retaining ball keeps your sockets firmly attached during demanding fastening tasks.
High strength vanadium steel: Crafted from matt chrome-plated 31CrV3 steel, it delivers dependable resistance to daily wear and corrosion.

In a nutshell

The right choise for

With the Gedore 3090-10 extension bar, you effortlessly extend the reach of your 3/8" ratchet to access deeply recessed fasteners and confined spaces. Whether you are servicing deep automotive engine bays or assembling industrial machinery, the 250 mm total length allows you to work smoothly around mechanical obstacles. The integrated ball locking mechanism on the male square drive keeps your sockets firmly secured during manual fastening tasks. Crafted from chrome-plated 31CrV3 vanadium steel, this extension delivers dependable durability and wear resistance for demanding daily use.

Product information FAQ

€13.80

In stock - tax incl.

Key features according to our expert

Connection size 1: 3/8"
Connection type 1 (extension): Outer square
Connection type 2 (extension): Internal square
Length: 250 mm
Non-sparking: No
Connection size 2: 3/8"

Product description

Construction in accordance with DIN 3122
ISO 3316
For hand-operated socket spanners with drive square DIN 3120
ISO 1174, with ball lock
Vanadium steel 31CrV3, chrome-plated

All Features

Connection size 1: 3/8"
Connection type 1 (extension): Outer square
Connection type 2 (extension): Internal square
Length: 250 mm
Non-sparking: No
Connection size 2: 3/8"
Drive square [metric]: 10 mm
Surface area: polished, chromed
Standard: DIN 3123ISO 3316
Drive square [inch]: 3/8"
Material: chrome vanadium steel 31CrV3
Overall length [mm]: 250 mm

Brand GEDORE
41891215
EAN 4010886623688
Supplier number GEDORE 6236870

Frequently asked questions about this product

Answered by specialists

What drive size does this extension bar have?: The extension features a 3/8" square drive on both sides: a female square for ratchets and a male square for sockets.
What is the total length of this extension bar?: This extension bar has an overall length of 250 mm.
Is this extension suitable for impact wrenches?: No, this extension is designed for hand-operated use and is not suitable for impact tools.
Is this tool non-sparking?: No, this tool is made of chrome-plated vanadium steel and is not non-sparking.
How are sockets held on the extension bar?: The male square drive features a ball locking device that securely holds sockets and accessories in place.